CN201873435U - Pipe die clamp for crane - Google Patents

Pipe die clamp for crane Download PDF

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Publication number
CN201873435U
CN201873435U CN2010206418600U CN201020641860U CN201873435U CN 201873435 U CN201873435 U CN 201873435U CN 2010206418600 U CN2010206418600 U CN 2010206418600U CN 201020641860 U CN201020641860 U CN 201020641860U CN 201873435 U CN201873435 U CN 201873435U
Authority
CN
China
Prior art keywords
clamp
pin
cylinder
pipe die
slide plate
Prior art date
Application number
CN2010206418600U
Other languages
Chinese (zh)
Inventor
姜静涛
Original Assignee
浙江麒龙起重机械有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江麒龙起重机械有限公司 filed Critical 浙江麒龙起重机械有限公司
Priority to CN2010206418600U priority Critical patent/CN201873435U/en
Application granted granted Critical
Publication of CN201873435U publication Critical patent/CN201873435U/en

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Abstract

The utility model relates to a pipe die clamp for a crane, which belongs to the technical field of accessories for cranes and comprises an air compressor, a cylinder, a sliding plate and a clamp assembly. The cylinder is driven by the air compressor, a vertical chute and two sliding pins are arranged on the sliding plate, the clamp assembly includes two clamps in identical structures, the appearances of the clamps are in '>' shapes, an inclined chute with an identical inclination angle with an upper inclined portion of each clamp is disposed on the upper inclined portion, a pin hole is disposed on a bevel portion of each clamp, a hook is formed by extending the tail end of a lower inclined portion of each clamp backwards, a piston rod of the cylinder is fixedly connected with the upper end of the sliding plate, the pin holes of the two clamps are fixed together with the vertical chute between two wall plates by the aid of a pin, the wall plates are fixed to the lower end of a lifting beam of the crane, the inclined chute of one clamp is mounted with a sliding pin on the left side in a matching manner, and the inclined chute of the other clamp is mounted with a sliding pin on the right side in a matching manner. The pipe die clamp not only can realize automatic hooking and unhooking, but also is simple in structure and low in running cost.

Description

A kind of hoisting crane pipe die anchor clamps

Technical field

The utility model relates to a kind of hoisting crane pipe die anchor clamps, belongs to the technical field of hoisting crane accessory.

Background technology

Prestressed concrete pile is produced from late nineteen eighties and is had vicennial development so far from external the introduction, our double trolley twin beam overhead bridge crane is used in the pile tube production procedure also vicennial history, produce high-intensity frequent operation for adapting to pile tube, all there is improvement in each mechanism of hoisting crane, but is being still artificial hook and unhook aspect the suspension hook extracting.Present stage is least safe at hanging in centrifugal, maintenance district hoisting and hanging process in the traditional prestressed concrete pile production procedure of China, breaking off relations, maintenance pond particularly, and the operative employee need enter and remove hook in the high high-temperature zone of dark 4m and break off relations very easily generation accident.

Summary of the invention

For solving above-mentioned prior art problem, but the utility model provides the hoisting crane of a kind of automatic hitch, unhook pipe die anchor clamps.

To achieve these goals, the technical scheme that the utility model adopted is:

A kind of hoisting crane pipe die anchor clamps comprise air compressor, cylinder, slide plate, clamp combination; Cylinder is driven by air compressor; Slide plate is provided with a vertical chute, two sliding pins, and vertical chute is positioned on the line of centers of slide plate, and two sliding pins lay respectively at the left and right sides of slide plate line of centers and near the edge; The clamp combination comprises two clamps that structure is identical, the profile of clamp is the shape of greater-than sign (>), its upper inclined portion is provided with an oblique chute with the same angle of inclination of upper inclined portion, and its knuckle portion is provided with a pin-and-hole, and the end of its portion that has a down dip rearward extends to form a crotch portion; The piston rod of cylinder is captiveed joint with the upper end of slide plate; Be fixed between two wallboards by a bearing pin between the pin-and-hole of two clamps and the vertical chute, wallboard is fixed on the hanging beam lower end of hoisting crane, and the oblique chute of one of them clamp cooperates installation with the sliding pin on the left side, and the oblique chute of another clamp cooperates installation with the sliding pin on the right.

As the further setting of such scheme, also be provided with a cylinder pushing pin on the line of centers of described slide plate, and the cylinder pushing pin be positioned at vertical chute directly over, the piston rod of cylinder is connected with the cylinder pushing pin.

The lower end of described wallboard is provided with guide groove.Being provided with of guide groove helps crane driver and finish the Primary Location of anchor clamps to pipe die earlier before pipe die grasped.The jaw that guide groove can make plier groups close accurately puts in place and clamps smoothly, if guide groove does not go down, the driver must hoist again and descend.Bright colour code on the guide groove makes the driver judge easily whether guide groove goes down.

A kind of hoisting crane of the utility model pipe die anchor clamps, can handle by crane driver fully, automatically finishing pipe die after the feeding handles automatically controlled button by crane driver and grasps pipe die automatically to enter centrifuge centrifugal, in like manner centrifugal back pipe die grasps automatically and enters the high temperature maintenance of maintenance pond, automatically grasp maintenance Chi Gai and carry out loam cake and unload lid, the pipe die after the automatic extracting high temperature maintenance in the maintenance pond is carried to dolly and enters next process.Crane driver is at first finished the Primary Location of anchor clamps to pipe die before pipe die is grasped.Behind the location, the driver presses " clamping " button, and anchor clamps are finished and clamped action in three seconds, and the driver can hoist.The driver presses open button behind the jump area when the anchor clamps on the hanging beam clip under the pipe die, and anchor clamps are finished opening action in two seconds, and driver's anchor clamps that hoist can make clamp and pipe die break away from.

Handle automatically controlled button when crane driver and grasp pipe die automatically aloft the time, anchor clamps possess following characteristics: 1. self-locking type, and lift heavy is heavy more, and jaw is tight more.2. when anchor clamps have been grabbed weight, load limiter will have signal output on the lifting mechanism, and this signal will be imported open button, if open button is pressed in driver's maloperation under this mode of operation, open button is with invalid.3. the air pressure with actuating cylinder transfers between 0.35~0.4Mp, if load limiter is malfunctioning like this, the driver has maloperation by open button when anchor clamps have been grabbed weight, the tensile force that cylinder produces jaw do not overcome produce between jaw and weight to internal friction, it is also invalid to open.4. button is pressed on the button of back will have indicator lamp to tell the mode of operation of the present anchor clamps of driver, and whether the driver is understood maloperation.5. the flexible thrust because of the piston rod of cylinder only is the power of anchor clamps opening and closing, does not participate in the self-locking characteristics (bearing pin is a reach of the present utility model) of load lifting and anchor clamps, and serious deflation of outage or trachea rupture all can not make pipe die come off.6. anchor clamps self-locking type characteristics make pipe die have bump also to be difficult to come off.

In a word, but not only automatic hitch, unhook of the utility model, and simple in structure, operating cost is low.

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Description of drawings

Fig. 1 is installed in structural representation on the hanging beam for the utility model;

Structural representation when Fig. 2 is in clamped condition for the clamp combination;

Structural representation when Fig. 3 is in opening for the clamp combination;

Fig. 4 is equipped with structural representation behind the guide groove for wallboard;

Fig. 5 is the structural representation of slide plate;

Fig. 6 is the structural representation of clamp;

Fig. 7 is the fundamental diagram of the utility model slide plate, clamp combination;

Fig. 8 is a stressed schematic diagram of the present utility model.

The specific embodiment

Shown in Fig. 1,2,3,4,5,6,7, a kind of hoisting crane of the utility model pipe die anchor clamps comprise air compressor 1, cylinder 2, slide plate 3, clamp combination.Cylinder 2 is driven by air compressor 1.Slide plate 3 is provided with a vertical chute 31, two sliding pins 32, and vertical chute 31 is positioned on the line of centers of slide plate 3, and two sliding pins 32 lay respectively at the left and right sides of slide plate 3 line of centerss and near the edge.The clamp combination comprises two clamps 4 that structure is identical, the profile of clamp 4 is the shape of greater-than sign, its upper inclined portion 41 is provided with an oblique chute 42 with upper inclined portion 41 same angles of inclination, its knuckle portion 43 is provided with a pin-and-hole 44, and the end of its portion 45 that has a down dip rearward extends to form a crotch portion 46.The piston rod 21 of cylinder 2 is captiveed joint with the upper end of slide plate 3.Be fixed between two wallboards 6 by a bearing pin 5 between the pin-and-hole 44 of two clamps 4 and the vertical chute 31, wallboard 6 is fixed on hanging beam 7 lower ends of hoisting crane, and the oblique chute 42 of one of them clamp 4 cooperates installation with the sliding pin 32 on the left side, and the oblique chute 42 of another clamp 4 cooperates installation with the sliding pin 32 on the right.

As the further setting of such scheme, also be provided with a cylinder pushing pin 33 on the line of centers of slide plate 3, and cylinder pushing pin 33 be positioned at vertical chute 31 directly over, the piston rod 21 of cylinder 2 is connected with cylinder pushing pin 33.The lower end of wallboard 6 is provided with guide groove 8, and the outer wall of guide groove 8 is provided with colour code.

When a kind of hoisting crane of the utility model is worked with the pipe die anchor clamps, start air compressor 1 and drive cylinder 2, make the piston rod 21 of cylinder 2 drive the upper and lower motion of slide plate 3 generations, the oblique chute 42 of clamp 4 is slided in sliding pin 32, make the open and close movement of clamp combination results.

As shown in Figure 8, stressed principle analysis of the present utility model is as follows:

F=2f

m=f·h

The moment of flexure that produces because of f and h is inside, and F increases increases f, and m=fh will increase, so the weight increase, the also corresponding increase of the gripping power of two clamps 4.The F masterpiece is used on the hanging beam 7, and the slip of clamp 4 also is to be fixed on the hanging beam 7, so the bearing pin on the clamp 45 also is a reach.

A kind of hoisting crane of the utility model pipe die anchor clamps, its air compressor 1 can be one or more cylinder 2 air feed, and particular case is decided according to the actual requirements.

The foregoing description only is used to the inventive concept of the present utility model of explaining, but not to the qualification of the utility model rights protection, allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should fall into protection domain of the present utility model.

Claims (4)

1. hoisting crane pipe die anchor clamps is characterized in that: comprise air compressor, cylinder, slide plate, clamp combination; Cylinder is driven by air compressor; Slide plate is provided with a vertical chute, two sliding pins, and vertical chute is positioned on the line of centers of slide plate, and two sliding pins lay respectively at the left and right sides of slide plate line of centers and near the edge; The clamp combination comprises two clamps that structure is identical, the profile of clamp is the shape of greater-than sign, its upper inclined portion is provided with an oblique chute with the same angle of inclination of upper inclined portion, and its knuckle portion is provided with a pin-and-hole, and the end of its portion that has a down dip rearward extends to form a crotch portion; The piston rod of cylinder is captiveed joint with the upper end of slide plate; Be fixed between two wallboards by a bearing pin between the pin-and-hole of two clamps and the vertical chute, wallboard is fixed on the hanging beam lower end of hoisting crane, and the oblique chute of one of them clamp cooperates installation with the sliding pin on the left side, and the oblique chute of another clamp cooperates installation with the sliding pin on the right.
2. a kind of hoisting crane pipe die anchor clamps as claimed in claim 1 is characterized in that: also be provided with a cylinder pushing pin on the line of centers of described slide plate, and the cylinder pushing pin be positioned at vertical chute directly over, the piston rod of cylinder is connected with the cylinder pushing pin.
3. a kind of hoisting crane pipe die anchor clamps as claimed in claim 1, it is characterized in that: the lower end of described wallboard is provided with guide groove.
4. a kind of hoisting crane pipe die anchor clamps as claimed in claim 3, it is characterized in that: the outer wall of described guide groove is provided with colour code.
CN2010206418600U 2010-11-25 2010-11-25 Pipe die clamp for crane CN201873435U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206418600U CN201873435U (en) 2010-11-25 2010-11-25 Pipe die clamp for crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206418600U CN201873435U (en) 2010-11-25 2010-11-25 Pipe die clamp for crane

Publications (1)

Publication Number Publication Date
CN201873435U true CN201873435U (en) 2011-06-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206418600U CN201873435U (en) 2010-11-25 2010-11-25 Pipe die clamp for crane

Country Status (1)

Country Link
CN (1) CN201873435U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102366968A (en) * 2011-09-20 2012-03-07 国鼎(南通)管桩有限公司 Automatic grabing and shifting device for bottom die and cover die of concrete pipe pile
CN102367151A (en) * 2011-09-20 2012-03-07 国鼎(南通)管桩有限公司 Automatic capturing and moving device for cover mould of concrete pipe pile
CN102992177A (en) * 2012-12-04 2013-03-27 福建建华管桩有限公司 Pneumatic sling for dual-purpose full-function automatic grappling hook
CN110436336A (en) * 2019-08-16 2019-11-12 杜书影 A kind of assembled architecture large scale prefabricated part lifting handling machinery

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102366968A (en) * 2011-09-20 2012-03-07 国鼎(南通)管桩有限公司 Automatic grabing and shifting device for bottom die and cover die of concrete pipe pile
CN102367151A (en) * 2011-09-20 2012-03-07 国鼎(南通)管桩有限公司 Automatic capturing and moving device for cover mould of concrete pipe pile
CN102992177A (en) * 2012-12-04 2013-03-27 福建建华管桩有限公司 Pneumatic sling for dual-purpose full-function automatic grappling hook
CN102992177B (en) * 2012-12-04 2014-10-22 福建建华管桩有限公司 Pneumatic sling for dual-purpose full-function automatic grappling hook
CN110436336A (en) * 2019-08-16 2019-11-12 杜书影 A kind of assembled architecture large scale prefabricated part lifting handling machinery

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CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20110622